JPS6021467A - 接地索条の連続性監視装置 - Google Patents
接地索条の連続性監視装置Info
- Publication number
- JPS6021467A JPS6021467A JP59130220A JP13022084A JPS6021467A JP S6021467 A JPS6021467 A JP S6021467A JP 59130220 A JP59130220 A JP 59130220A JP 13022084 A JP13022084 A JP 13022084A JP S6021467 A JPS6021467 A JP S6021467A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- ground
- output
- alarm
- human body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012806 monitoring device Methods 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/276—Protection against electrode failure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Alarm Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
- Emergency Protection Circuit Devices (AREA)
- Electronic Switches (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/507,977 US4558309A (en) | 1983-06-27 | 1983-06-27 | Ground tether continuity monitor |
US507977 | 1983-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6021467A true JPS6021467A (ja) | 1985-02-02 |
JPH0436346B2 JPH0436346B2 (enrdf_load_stackoverflow) | 1992-06-15 |
Family
ID=24020884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59130220A Granted JPS6021467A (ja) | 1983-06-27 | 1984-06-26 | 接地索条の連続性監視装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4558309A (enrdf_load_stackoverflow) |
JP (1) | JPS6021467A (enrdf_load_stackoverflow) |
BE (1) | BE900005A (enrdf_load_stackoverflow) |
DE (1) | DE3423095A1 (enrdf_load_stackoverflow) |
FR (1) | FR2549233A1 (enrdf_load_stackoverflow) |
GB (1) | GB2142493B (enrdf_load_stackoverflow) |
NL (1) | NL8402033A (enrdf_load_stackoverflow) |
SE (1) | SE8403360L (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016537625A (ja) * | 2013-11-21 | 2016-12-01 | デスコ インダストリーズ, インコーポレイテッド | 接地監視装置 |
JP2020030165A (ja) * | 2018-08-24 | 2020-02-27 | 日本電信電話株式会社 | コモンモード電圧測定装置およびコモンモード電圧測定方法 |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USH330H (en) | 1984-07-02 | 1987-09-01 | The United States Of America As Represented By The Secretary Of The Navy | Personnel grounding system tester |
US4605984A (en) * | 1985-08-05 | 1986-08-12 | Beckman Industrial Corporation | Static control strap |
JPS6237362U (enrdf_load_stackoverflow) * | 1985-08-23 | 1987-03-05 | ||
US4638399A (en) * | 1985-10-04 | 1987-01-20 | Plug-In Storage Systems, Inc. | Wrist strap ground monitor |
US4710751A (en) * | 1986-04-24 | 1987-12-01 | Environmental Protection Systems | Ground fault monitor circuit |
US4785294A (en) * | 1986-06-24 | 1988-11-15 | Zero Corporation | Static monitoring system |
US4909069A (en) * | 1987-11-27 | 1990-03-20 | Utah Medical Products, Inc. | Method and apparatus for detecting leaks in rubber gloves and the like |
US5051732A (en) * | 1988-08-29 | 1991-09-24 | Ericson Manufacturing Company | Power outlet ground integrity and wriststrap monitor circuit |
US4974115A (en) * | 1988-11-01 | 1990-11-27 | Semtronics Corporation | Ionization system |
US5057965A (en) * | 1989-07-06 | 1991-10-15 | Minnesota Mining And Manufacturing Company | Work station monitor |
DE4134695A1 (de) * | 1991-10-21 | 1993-04-22 | Beha C Gmbh | Pruefgeraet zur anzeige elektrischer spannung |
GB9125280D0 (en) * | 1991-11-28 | 1992-01-29 | Smiths Industries Plc | Patient support tables and monitors |
EP0580913A1 (en) * | 1992-07-30 | 1994-02-02 | International Business Machines Corporation | System for indicating fault condition on operator's electrostatic discharge protection equipment |
DE4235379A1 (de) * | 1992-10-16 | 1994-04-21 | Epsa Elektronik & Praezisionsb | Einrichtung zur Erfassung der Bedingungen des elektrostatischen Schutzes |
US5610526A (en) * | 1992-11-23 | 1997-03-11 | The Narda Microwave Corp. | Contact hazard meter having a human equivalent circuit |
US5457596A (en) * | 1993-06-24 | 1995-10-10 | Yang; Hsin-Ming | Static electricity protection wrist strap |
US5408186A (en) * | 1993-10-05 | 1995-04-18 | Bakhoum; Ezzat G. | Single-conductor wrist strap monitoring |
US5677822A (en) * | 1995-10-11 | 1997-10-14 | Desco Industries, Inc. | Static discharge wristband having substantially universal dual snap connector |
US6035260A (en) * | 1997-04-23 | 2000-03-07 | Northrop Grumman Corporation | Wrist strap integrity check circuitry |
US6011398A (en) * | 1998-04-23 | 2000-01-04 | Associated Research, Inc. | Current-leakage tester |
US6229446B1 (en) * | 1998-09-02 | 2001-05-08 | David Lloyd-Jones | Alarm apparatus |
JP2000111599A (ja) * | 1998-10-02 | 2000-04-21 | Gakusho Yo | 静電接地システムの接地モニタ |
SE515800C2 (sv) * | 1999-01-20 | 2001-10-08 | Ericsson Telefon Ab L M | Anordning och förfarande för att snabbstarta en sinusoscillator |
US6144303A (en) * | 1999-02-01 | 2000-11-07 | Exi Wireless Systems, Inc. | Tag and system for patient safety monitoring |
GB2369447B (en) * | 2000-07-29 | 2004-06-23 | Newson Gale Ltd | Electrical resistance monitoring device |
US6762917B1 (en) * | 2001-06-12 | 2004-07-13 | Novx Corporation | Method of monitoring ESC levels and protective devices utilizing the method |
US6930612B1 (en) | 2002-10-04 | 2005-08-16 | Credence Technologies, Inc. | Device and method of monitoring grounding of personnel and equipment in ESD-sensitive areas |
US7330122B2 (en) | 2005-08-10 | 2008-02-12 | Remotemdx, Inc. | Remote tracking and communication device |
US7737841B2 (en) | 2006-07-14 | 2010-06-15 | Remotemdx | Alarm and alarm management system for remote tracking devices |
US7936262B2 (en) | 2006-07-14 | 2011-05-03 | Securealert, Inc. | Remote tracking system with a dedicated monitoring center |
US8797210B2 (en) | 2006-07-14 | 2014-08-05 | Securealert, Inc. | Remote tracking device and a system and method for two-way voice communication between the device and a monitoring center |
US7498818B2 (en) * | 2006-08-25 | 2009-03-03 | Schweitzer Engineering Laboratories, Inc. | Apparatus and method for detecting a brush liftoff in a synchronous generator rotor circuit |
GB2449285B (en) * | 2007-05-17 | 2010-08-11 | Newson Gale Ltd | Improvements relating to the testing of an earth connection |
MX2010009680A (es) | 2008-03-07 | 2011-02-23 | Securealert Inc | Un sistema y metodo para monitorear individuos utilizando una baliza y un dispositivo de seguimiento remoto inteligente. |
US8405940B2 (en) * | 2009-10-13 | 2013-03-26 | Schweitzer Engineering Laboratories Inc | Systems and methods for generator ground fault protection |
US8514070B2 (en) | 2010-04-07 | 2013-08-20 | Securealert, Inc. | Tracking device incorporating enhanced security mounting strap |
JP6267654B2 (ja) * | 2012-02-08 | 2018-01-24 | イージージー エルエルシー | マルチモード電極ユニットを有するecgシステム |
US10182723B2 (en) | 2012-02-08 | 2019-01-22 | Easyg Llc | Electrode units for sensing physiological electrical activity |
CN103884951B (zh) * | 2012-12-21 | 2016-08-10 | 纬创资通股份有限公司 | 静电防护装置监控电路及静电防护装置监控系统 |
US10288688B2 (en) | 2014-07-24 | 2019-05-14 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for monitoring and protecting an electric power generator |
US9496707B2 (en) | 2014-12-22 | 2016-11-15 | Schweitzer Engineering Laboratories, Inc. | Generator protection element |
US10333291B2 (en) | 2017-09-25 | 2019-06-25 | Schweitzer Engineering Laboratories, Inc. | Multiple generator ground fault detection |
US10931097B2 (en) | 2017-09-25 | 2021-02-23 | Schweitzer Engineering Laboratories, Inc. | Generator stator ground protection using third harmonic |
US10797632B2 (en) | 2018-08-21 | 2020-10-06 | Schweitzer Engineering Laboratories, Inc. | Sensitive directional element for generator protection |
US11316455B2 (en) | 2019-08-28 | 2022-04-26 | Schweitzer Engineering Laboratories, Inc. | Generator rotor turn-to-turn fault detection using fractional harmonics |
US10819261B1 (en) | 2019-10-25 | 2020-10-27 | Schweitzer Engineering Laboratories, Inc. | Security improvements for electric power generator protection |
US11631972B2 (en) | 2020-12-16 | 2023-04-18 | Schweitzer Engineering Laboratories, Inc. | Accurate modeling of equipment overexcitation damage curves |
US12249948B2 (en) | 2022-08-30 | 2025-03-11 | Schweitzer Engineering Laboratories, Inc. | Split-phase protection of generators |
US11946966B1 (en) | 2023-02-20 | 2024-04-02 | Schweitzer Engineering Laboratories, Inc. | Selective stator ground fault protection using positive-sequence voltage reference |
US12385965B2 (en) * | 2023-11-16 | 2025-08-12 | Desco Industries, Inc. | Continuous monitor device having an enhanced visual alarm |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB551090A (en) * | 1941-09-19 | 1943-02-08 | Robert Ironside Bagnall | Improvements in electric cut-out or protective systems with automatic circuit breakers |
US2611862A (en) * | 1950-06-15 | 1952-09-23 | Gilbert & Barker Mfg Co | Electronic grounding apparatus |
GB794106A (en) * | 1954-10-07 | 1958-04-30 | Foster Transformers Ltd | Improvements in earth leakage protective devices |
US3040211A (en) * | 1959-07-16 | 1962-06-19 | Texaco Inc | Apparatus for indicating an electrically grounded condition |
US3290668A (en) * | 1963-08-02 | 1966-12-06 | Crouse Hinds Co | Grounding and indicating device |
US3343154A (en) * | 1964-12-16 | 1967-09-19 | Lockheed Aircraft Corp | Ground indicator |
US3495584A (en) * | 1965-06-03 | 1970-02-17 | Gen Electric | Lead failure detection circuit for a cardiac monitor |
US3462755A (en) * | 1966-04-26 | 1969-08-19 | Mosler Research Products Inc | Capacity alarm |
US3492567A (en) * | 1967-01-25 | 1970-01-27 | Edwards Co | Apparatus for detecting operating room electrical line ground faults |
US3450947A (en) * | 1967-05-01 | 1969-06-17 | Rogers Enterprises Inc C J | Electrical safety circuit |
US3452346A (en) * | 1967-12-29 | 1969-06-24 | Julius B Kupersmit | Static charge detector |
US3602215A (en) * | 1968-09-16 | 1971-08-31 | Honeywell Inc | Electrode failure detection device |
DE1956125A1 (de) * | 1969-11-07 | 1971-05-13 | Philips Patentverwaltung | Schaltungsanordnung zur UEberwachung von Thermoelementen |
DE2062788B1 (de) * | 1970-12-19 | 1971-12-23 | Philips Pat | Schalungsanordnung zur Überwachung von Stromkreisen |
FR2128108B1 (enrdf_load_stackoverflow) * | 1971-03-05 | 1975-02-21 | Thomson Medical Telco | |
US3878459A (en) * | 1972-05-05 | 1975-04-15 | Harry A Hanna | Electrostatic field detection method for determining whether apparatus is properly grounded |
GB1429180A (en) * | 1972-08-18 | 1976-03-24 | Gent Co Ltd | Alarm circuits |
DE2403402B1 (de) * | 1974-01-22 | 1975-03-13 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anordnung zum Überwachen von Meßwertgebern und deren Zuleitungen auf Leitungsbrüche |
DE2703880C3 (de) * | 1977-01-31 | 1980-01-31 | Heinz 6102 Pfungstadt Laass | Elektrisches Prüfgerät mit akustischer, quantitativer Analoganzeige für Widerstand und Spannung |
US4187504A (en) * | 1978-02-03 | 1980-02-05 | Midland-Ross Corporation | Fault monitoring and indicator system |
US4188574A (en) * | 1978-03-27 | 1980-02-12 | Instrumentation Specialties Company | AC Detector for DC ground faults and high capacitance in high-voltage DC power supplies |
US4220951A (en) * | 1978-09-28 | 1980-09-02 | Cathodic Protection Services, Inc. | Method and system for protecting barge |
DE2851890A1 (de) * | 1978-11-30 | 1980-06-12 | Siemens Ag | Schutzvorrichtung zur anwendung in einer pruefeinrichtung zur pruefung von elektrischen geraeten oder baugruppen |
US4293852A (en) * | 1978-12-08 | 1981-10-06 | Lawrence Security Services Ltd. | Capacitive article removal alarm |
US4225899A (en) * | 1979-01-08 | 1980-09-30 | George Sotiriou | Ground detecting device |
US4295132A (en) * | 1980-07-23 | 1981-10-13 | Gte Products Corporation | Capacitance intrusion detection system |
FI62422C (fi) * | 1981-06-24 | 1982-12-10 | Kone Oy | Testningsanordning foer fastsaettning av en ekg-elektrod |
-
1983
- 1983-06-27 US US06/507,977 patent/US4558309A/en not_active Expired - Fee Related
-
1984
- 1984-06-01 GB GB08414009A patent/GB2142493B/en not_active Expired
- 1984-06-21 SE SE8403360A patent/SE8403360L/ unknown
- 1984-06-22 DE DE3423095A patent/DE3423095A1/de not_active Withdrawn
- 1984-06-26 JP JP59130220A patent/JPS6021467A/ja active Granted
- 1984-06-26 BE BE0/213210A patent/BE900005A/fr not_active IP Right Cessation
- 1984-06-27 FR FR8410173A patent/FR2549233A1/fr active Pending
- 1984-06-27 NL NL8402033A patent/NL8402033A/nl not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016537625A (ja) * | 2013-11-21 | 2016-12-01 | デスコ インダストリーズ, インコーポレイテッド | 接地監視装置 |
JP2020030165A (ja) * | 2018-08-24 | 2020-02-27 | 日本電信電話株式会社 | コモンモード電圧測定装置およびコモンモード電圧測定方法 |
Also Published As
Publication number | Publication date |
---|---|
US4558309A (en) | 1985-12-10 |
NL8402033A (nl) | 1985-01-16 |
JPH0436346B2 (enrdf_load_stackoverflow) | 1992-06-15 |
GB8414009D0 (en) | 1984-07-04 |
BE900005A (fr) | 1984-10-15 |
SE8403360L (sv) | 1985-02-05 |
GB2142493A (en) | 1985-01-16 |
GB2142493B (en) | 1987-03-04 |
FR2549233A1 (fr) | 1985-01-18 |
SE8403360D0 (sv) | 1984-06-21 |
DE3423095A1 (de) | 1985-01-17 |
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